Spam Resource: All Things Deliverability

Here’s an update to something I last answered a couple of years ago: Hey, Al! I was wondering if you could provide some guidance about SPF record format. Is it better to list th…

This may not be super scientific, but it is something I'm going to have fun with nonetheless. Let's take the last thirteen days worth of spam sent to spamtrap addresses i…

If you're trying to send email using an email server hosted on an IP address not expected to be running a mail server, your attempts to send mail to Gmail users is likely to …

I am delighted to announce that I'll be participating in the "How Should ESPs Report Opens in Age of Prefetching" panel at the Email Sender and Provider Coalition (…

Here's a new and unique question that I was just asked: What about DMARC at the sub-subdomain level, multiple levels deep? If I have a DMARC record for my subdomain e.spamres…

As part of their previously-announced intention to disable Less Secure Access (LSA) support , Google recently sent out another email notification warning that eventually, Google…

We’re trying something new this time! I’ve invited my friend Skyler Holobach (whom I interviewed previously ) to take some space on Spam Resource and use it to interview someone,…

Who hosts what mail? MBP Spotlight is the new series here at Spam Resource where I’ll share ranking data for the top mailbox providers (including B2B!) based on where they fall…

Hey, it's me! In my first blog post ever for Valimail . The topic: Connecting the dots between DMARC and deliverability. Why? To remind folks that these two things do indeed …

Let’s decode another acronym! DNS is a term not limited to email deliverability, but it sure does show up there quite a bit. And it stands for: Domain Name System. DNS is the pho…

Folks have been reporting these past few weeks that centralized subscription management is coming to Google’s Gmail . This is a change, and change is scary, so many people will h…

It’s that time again! Time to define more deliverability terminology, as we do every so often here in the DELIVTERMS series on Spam Resource. Today, let’s define email authentica…